scientificamerican.com

Asbestos Is Finally Banned in the U.S. Here’s Why It Took So Long (www.scientificamerican.com)

In March the U.S. Environmental Protection Agency announced that it was banning ongoing uses of asbestos. People might have thought, Wait—what? Wasn’t it already banned? After all, many remember asbestos—a naturally occurring, fibrous mineral that is resistant to heat and flame but is also toxic and carcinogenic—being...

Gas Stove Pollution Lingers in Homes for Hours Even outside the Kitchen (www.scientificamerican.com)

Decades of well-established research have linked nitrogen dioxide, or NO2, to respiratory conditions such as asthma and chronic obstructive pulmonary disease, which especially affect children and older adults. This harmful link is so well established that some states have begun banning gas appliances in new construction. And now...

Why Are We Still Superstitious? (www.scientificamerican.com)

A psychology study published in 2024 suggests that very few people show a complete lack of superstitious beliefs or practices. So why do we remain superstitious, even though it is clearly irrational and could lead us astray? It turns out superstitions may provide certain psychological benefits....

The Threat of a Solar Superstorm Is Growing—And We’re Not Ready (www.scientificamerican.com)

A growing body of evidence also hints that much more rarely the sun blows out a truly apocalyptic storm. Data from ancient tree rings and ice cores suggest that in C.E. 774 a solar storm hit our planet that was so powerful that it significantly altered our atmospheric chemistry. Similar data from even deeper back in time are...

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